Allow specifying whether top level elements should be comma separated

tests/json_tests_comma_separated.c

@@ -0,0 +1,147 @@
+#include <stdio.h>
+#include <string.h>
+
+#include <unity.h>
+
+#include <json.h>
+
+static FILE* tmp = nullptr;
+static char buffer[256];
+
+static Json json;
+
+void setUp()
+{
+    tmp = tmpfile();
+    TEST_ASSERT_NOT_NULL(tmp);
+
+    json = json_init(tmp, MINIFIED, true);
+}
+
+void tearDown()
+{
+    json_free(&json);
+
+    if (tmp) {
+        fclose(tmp);
+        tmp = nullptr;
+    }
+}
+
+void test_json_comma_separated_string()
+{
+    json_add_string(&json, "one");
+    json_add_string(&json, "two");
+    fflush(tmp);
+    rewind(tmp);
+
+    auto n = fread(buffer, 1, sizeof(buffer) - 1, tmp);
+    buffer[n] = '\0';
+
+    TEST_ASSERT_EQUAL_STRING("\"one\",\"two\"", buffer);
+}
+
+void test_json_comma_separated_long()
+{
+    json_add_long(&json, 42);
+    json_add_long(&json, 67);
+    fflush(tmp);
+    rewind(tmp);
+
+    auto n = fread(buffer, 1, sizeof(buffer) - 1, tmp);
+    buffer[n] = '\0';
+
+    TEST_ASSERT_EQUAL_STRING("42,67", buffer);
+}
+
+void test_json_comma_separated_double()
+{
+    json_add_double(&json, 3.14);
+    json_add_double(&json, 6.28);
+    fflush(tmp);
+    rewind(tmp);
+
+    auto n = fread(buffer, 1, sizeof(buffer) - 1, tmp);
+    buffer[n] = '\0';
+
+    TEST_ASSERT_EQUAL_STRING("3.14,6.28", buffer);
+}
+
+void test_json_comma_separated_bool()
+{
+    json_add_bool(&json, true);
+    json_add_bool(&json, false);
+    fflush(tmp);
+    rewind(tmp);
+
+    auto n = fread(buffer, 1, sizeof(buffer) - 1, tmp);
+    buffer[n] = '\0';
+
+    TEST_ASSERT_EQUAL_STRING("true,false", buffer);
+}
+
+void test_json_comma_separated_null()
+{
+    json_add_null(&json);
+    json_add_null(&json);
+    fflush(tmp);
+    rewind(tmp);
+
+    auto n = fread(buffer, 1, sizeof(buffer) - 1, tmp);
+    buffer[n] = '\0';
+
+    TEST_ASSERT_EQUAL_STRING("null,null", buffer);
+}
+
+void test_json_comma_separated_object()
+{
+    for (int i = 0; i < 2; ++i) {
+        json_begin_object(&json);
+        {
+            json_add_object_field(&json, "test");
+            json_add_number(&json, i);
+        }
+        json_end_object(&json);
+    }
+    fflush(tmp);
+    rewind(tmp);
+
+    auto n = fread(buffer, 1, sizeof(buffer) - 1, tmp);
+    buffer[n] = '\0';
+
+    TEST_ASSERT_EQUAL_STRING("{\"test\":0},{\"test\":1}", buffer);
+}
+
+void test_json_comma_separated_array()
+{
+    for (int i = 0; i < 2; ++i) {
+        json_begin_array(&json);
+        {
+            json_add_number(&json, i);
+        }
+        json_end_array(&json);
+    }
+    fflush(tmp);
+    rewind(tmp);
+
+    auto n = fread(buffer, 1, sizeof(buffer) - 1, tmp);
+    buffer[n] = '\0';
+
+    TEST_ASSERT_EQUAL_STRING("[0],[1]", buffer);
+}
+
+int main()
+{
+    UNITY_BEGIN();
+    {
+        RUN_TEST(test_json_comma_separated_string);
+        RUN_TEST(test_json_comma_separated_long);
+        RUN_TEST(test_json_comma_separated_double);
+        RUN_TEST(test_json_comma_separated_bool);
+        RUN_TEST(test_json_comma_separated_null);
+        RUN_TEST(test_json_comma_separated_object);
+        RUN_TEST(test_json_comma_separated_array);
+    }
+    return UNITY_END();
+}
+